Self-closing pet cock



Sept. 30; 1924. 1,510,002

F. A. B. HOLMES SELF CLOSING PET COCK Filed Sept. 22. 1923 Patented Sept. 30, 1924.

FRANK A. B. HOLMES, OF CHICAGO, ILLINOIS.

SELF-CLOSING- PET COCK.

Application filed September 22, 1923. Serialiio. 664,218.

The object of the present improvement is to provide a structural formation and com.-

bination of parts in which an outwardlyopening valve head is resiliently held to its seat and is released in a convenient manner by a forcible pull on the part of the operator, all as will hereinafter more fully appear.

Inthe accompanying drawing Fig. 1, is a perspective view of the valve illustrating the general arrangement, of

parts. 3

Fig. 2, is a central longitudinal section of the same.

'Fig. 3, is a detail transverse section, on line 3-3, Fig. 2.

Like reference numerals indicate like parts in the different views. In the present construction the fixed main body of the valve comprises a rectangular shell 1 having at one end a tapering screw threaded neck 2 for engagement in a correspondingly formed orifice in the side of the crank casing of an automobile engine or the like, with an annular valve seat 3 at its other end in aligned relation to the neck 2, and with a pivot lug 4 at one side for at {achment of a movable valve member as folows:

The movable valve member comprises a rocker bar 5 havin at its midlength a pair of laterally extending and spaced ears 6 adapted to straddle the lug 4 of the valve body 1 and be pivotally attached thereto by a pivot pin or rivet 7. At one end the rocker bar 5 is formed with a socket recess adapted to contain a valve head 8 of elastic material for closing engagement against the annular valve seat 3 of the main body 1 as shown, while at its other end the rocker bar 5 is formed with a bearing recess 9 adapted to receive one end of a coiled spring 10, with the other end of the spring having abutment in a similar bearing recess 11, in a face of the pivot lug 4 aforesaid.

In addition the rocker bar 5 is formed with an orificed lug 12 in line with the valve head 8 and adapted for engagement with an end of a handled pull rod 13, which is extended to a point convenient to the user.

Havin thus fully described my invention, what I claim and desire to secure by Letters Patent, is 2-- A self closing pet cock comprising, a main body having a screw threaded attaching neck at one end, and aligned annular valve seat at the other end, and a lateral lug at one side, a rocker bar having at its midlength a pair of spaced ears adapted to straddle said pivot lugs and beattached thereto by a pivot pin, said rocker bar having a recess at each end and an orificed lug adjacent to one of said recesses, a valve head fitting one of said 7 recesses and having closing engagement against the annular seat of the main body, a spring engaging in the other of said recesses and adapted to hold said valve head to its engagement, and a handled pull rod attached to the aforesaid orificed lug.

Signed at Chicago, Illinois, this 20th day of September 1923.

FRANK A. B. HOLMES. 

